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Irving Louis Rosenberg, M.D.

NPI 1427283076ActiveIndividual· Internal Medicine, Rheumatology· Lancaster, OH

Internal Medicine, Rheumatology (M.D.) in Lancaster, Ohio, trained at Wright State University Boonshoft School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $3,073,840 for 2,403 claims, against $111,742 paid for services in 2024.

Overview

NPI1427283076
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 27, 2009
Last updated in NPPESDec 13, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500X35.120152OH
Internal Medicine207R00000X35.120152OH

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Rheumatology (OH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients242
Services billed13,305 across 10 procedure codes
Paid by Medicare$111,742

Part D prescriptions in 2024

Prescriptions (claims)2,403 · 4,643 30-day fills
Patients369
Total drug cost$3,073,840
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWright State University Boonshoft School of Medicine
Graduation year2009
Medicare specialtyRheumatology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

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